上海閥(fa)(fa)(fa)盛閥(fa)(fa)(fa)門制造有(you)限(xian)公司主要生產QJH型(xing)(xing)高(gao)(gao)(gao)壓(ya)(ya)(ya)球(qiu)(qiu)芯(xin)(xin)截(jie)止(zhi)(zhi)閥(fa)(fa)(fa)，可提供QJH型(xing)(xing)高(gao)(gao)(gao)壓(ya)(ya)(ya)球(qiu)(qiu)芯(xin)(xin)截(jie)止(zhi)(zhi)閥(fa)(fa)(fa)價(jia)格，QJH型(xing)(xing)高(gao)(gao)(gao)壓(ya)(ya)(ya)球(qiu)(qiu)芯(xin)(xin)截(jie)止(zhi)(zhi)閥(fa)(fa)(fa)說明書，QJH型(xing)(xing)高(gao)(gao)(gao)壓(ya)(ya)(ya)球(qiu)(qiu)芯(xin)(xin)截(jie)止(zhi)(zhi)閥(fa)(fa)(fa)實物圖，QJH型(xing)(xing)高(gao)(gao)(gao)壓(ya)(ya)(ya)球(qiu)(qiu)芯(xin)(xin)截(jie)止(zhi)(zhi)閥(fa)(fa)(fa)結構圖，QJH型(xing)(xing)高(gao)(gao)(gao)壓(ya)(ya)(ya)球(qiu)(qiu)芯(xin)(xin)截(jie)止(zhi)(zhi)閥(fa)(fa)(fa)外形尺寸，QJH型(xing)(xing)高(gao)(gao)(gao)壓(ya)(ya)(ya)球(qiu)(qiu)芯(xin)(xin)截(jie)止(zhi)(zhi)閥(fa)(fa)(fa)執行標準(zhun)，QJH型(xing)(xing)高(gao)(gao)(gao)壓(ya)(ya)(ya)球(qiu)(qiu)芯(xin)(xin)截(jie)止(zhi)(zhi)閥(fa)(fa)(fa)工作(zuo)原理，QJH型(xing)(xing)高(gao)(gao)(gao)壓(ya)(ya)(ya)球(qiu)(qiu)芯(xin)(xin)截(jie)止(zhi)(zhi)閥(fa)(fa)(fa)作(zuo)用特點。

QJH型高(gao)壓球芯截止閥技術(shu)參數：